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Finding the Fourth Proportional to 5,999.72, 8,279.62 and 3,347.30

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Solution

The fourth proportional to 5,999.72, 8,279.62 and 3,347.30 is: 4,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,999.72 : 8,279.62 = 3,347.30 : x
  2. Step 2: Convert to fraction form
    5,999.72/8,279.62 = 3,347.30/x
  3. Step 3: Cross multiply
    5,999.72x = 8,279.62 × 3,347.30
  4. Step 4: Simplify right side
    5,999.72x = 27,714,330.63
  5. Step 5: Solve for x
    x = 27,714,330.63/5,999.72
  6. Step 6: Final answer
    x = 4,619.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.